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Choi, Kyoung Jin
Energy Conversion Materials (EcoMAT) Lab
Research Interests
  • Solar cells, thermoelectrics, piezoelectric

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Spatially resolved photoluminescence mapping of single CdS nanosheets

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Title
Spatially resolved photoluminescence mapping of single CdS nanosheets
Author
Rho, H.Lee, K. -Y.Hoang, T. B.Titova, L. V.Mishra, A.Smith, L. M.Jackson, H. E.Yarrison-Rice, J. M.Choi, Y. -J.Choi, Kyoung JinPark, J. -G.
Keywords
CADMIUM-SULFIDE; NANOBELTS; NANORIBBONS; EXCITONS; LUMINESCENCE; NANOWIRES; GROWTH
Issue Date
2008-01
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.92, no.1, pp.1 - 3
Abstract
We have utilized spatially resolved low temperature photoluminescence to probe the electronic states and structural symmetries of individual single crystalline CdS nanosheets. Spatially resolved photoluminescence imaging of a single CdS nanosheet reveals a distinctive spectral variation across the nanosheet. We observe A-like exciton states which emit most strongly near the outer edges of the 5 mu m wide nanosheet, while B-like exciton states emit most strongly along the center region of the 30 mu m long axis of the nanosheet.
URI
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DOI
10.1063/1.2828707
ISSN
0003-6951
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MSE_Journal Papers
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